If in a F+ cell, a bacterial chromosome is crossed over with F factor, and then in the resulting Hfr cell, its chromosome is crossed over within

If in a F+ cell, a bacterial chromosome is crossed over with F factor, and then in the resulting Hfr cell, its chromosome is crossed over within itself. What would the resulting chromosome consist of?
A. A separate F factor and a bacterial chromosome.
B. Only bacterial chromosome.
C. Only F factor.
D. A bacterial chromosome and a F factor that consists of some bacterial genes.
E. F factor with some bacterial genes integrated in it.
 
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